| Index | St.-Charles | Ontario | National |
| Cost of living | 110 | 113 | 100 |
| Groceries | 115 | 110 | 100 |
| Health care | 106 | 104 | 100 |
| Housing | 103 | 123 | 100 |
| Transportation | 105 | 104 | 100 |
| Utilities | 132 | 121 | 100 |
| Lifestyle & Entertainment | n/a | n/a | n/a |
| Household Items | n/a | n/a | n/a |
| Education & Childcare | n/a | n/a | n/a |
| Cost of living index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index | |
| Lifestyle index | |
| Household index | |
| Educare index |
| State | General Sales Tax | With Max Surtax |
| Ontario | 8% | 13% |
| State | Income Tax (Low) | Income Tax (High) |
| Ontario | 5.05% | 13.16% |
| City | Population | Cost of Living Index | National Avg. |
| Markstay-Warren, ON | 2,806 | 111 | 11.4% |
| French River / Rivière des Français, ON | 2,734 | 112 | 11.5% |
| St.-Charles, ON | 1,237 | 110 | 9.9% |
| City | Population | Cost of Living Index | National Avg. |
| Felton, DE | 1,237 | n/a | |
| Lincoln Center, KS | 1,237 | n/a | |
| White Cloud, MI | 1,237 | n/a | |
| Preston, MN | 1,237 | n/a | |
| Whitaker, PA | 1,237 | n/a | |
| St.-Charles, ON | 1,237 | 110 | 9.9% |